Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Sales, net	$ 15,634	$ 17,072	$ 42,979	$ 46,501
Cost of sales	13,652	14,411	37,823	39,293
Gross profit	1,982	2,661	5,156	7,208
Selling and administrative expenses	990	942	2,849	2,736
Operating income	992	1,719	2,307	4,472
Other income (expense), net
Interest expense	(30)	(58)	(104)	(213)
Realized gain on sale of investment in iBio Stock	0	0	0	56
Unrealized (loss) gain on investments	(6)	22	(48)	(51)
Other income, net	4	23	35	39
Other income (expense), net	(32)	(13)	(117)	(169)
Income before income taxes	960	1,706	2,190	4,303
Income tax (expense) benefit, net	(163)	(465)	154	(797)
Net income	$ 797	$ 1,241	$ 2,344	$ 3,506
Basic earnings per common share (in dollars per share)	$ 0.03	$ 0.04	$ 0.08	$ 0.12
Diluted earnings per common share (in dollars per share)	$ 0.03	$ 0.04	$ 0.07	$ 0.11
Weighted average common shares outstanding - basic (in shares)	29,821,138	29,709,992	29,826,321	29,671,251
Add: Equivalent shares outstanding (in shares)	2,539,260	3,153,640	2,587,508	2,774,164
Weighted average common shares outstanding - diluted (in shares)	32,360,398	32,863,632	32,413,829	32,445,415